c602c44a4d4088dbf5a659f36ba1c3a9d81f8367577de0cb940c0b8afee5c376

Analysis

max time kernel
598s
max time network
454s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
31/03/2026, 00:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$PLUGINSDIR/StdUtils.dll
Size 110KB
Sample260331-anmsjaey4s
SHA256 c602c44a4d4088dbf5a659f36ba1c3a9d81f8367577de0cb940c0b8afee5c376
MD5 db11ab4828b429a987e7682e495c1810
SHA1 29c2c2069c4975c90789dc6d3677b4b650196561
SHA512 460d1ccfc0d7180eae4e6f1a326d175fec78a7d6014447a9a79b6df501fa05cd4bd90f8f7a85b7b6a4610e2fa7059e30ae6e17bc828d370e5750de9b40b9ae88
SSDEEP 1536:cyy+HcFWrX52XWcS15c4DBVOw/bEQvWt6uouMw5m0mhdBu4NpBTvO7Fvo6mVS6oz:fy+8ozImcSNd1YHbMbCk/S
TLSH
T1CDB32B527174345EE0E60A7C275F2373847E2728AB3898DF43A3458EC7752E2A0F5B5A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5660	4968	WerFault.exe	79

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4968	4964	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 524
    3⤵
    - Program crash
    PID:5660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4968 -ip 4968
1⤵
PID:3404

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4968-0-0x0000000000940000-0x0000000000A52000-memory.dmp

Download